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| author | Mark Mitchell <mark@markmitchell.com> | 1998-06-25 17:28:11 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 1998-06-25 17:28:11 +0000 |
| commit | 30d68b865b6705ced98cc185941647335c633cf5 (patch) | |
| tree | 2afaeed43dec179058618d5852bc3509765c4dec | |
| parent | 65e92a6066d267787c88fb5beb09bd8d823144e7 (diff) | |
| download | gcc-30d68b865b6705ced98cc185941647335c633cf5.zip gcc-30d68b865b6705ced98cc185941647335c633cf5.tar.gz gcc-30d68b865b6705ced98cc185941647335c633cf5.tar.bz2 | |
fold-const.c (make_range): Don't go looking at TREE_OPERANDs of nodes that are not expressions.
* fold-const.c (make_range): Don't go looking at TREE_OPERANDs of
nodes that are not expressions.
From-SVN: r20728
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fold-const.c | 18 |
2 files changed, 19 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b9ada6d..9ecab59 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Thu Jun 25 12:47:41 1998 Mark Mitchell <mark@markmitchell.com> + + * fold-const.c (make_range): Don't go looking at TREE_OPERANDs of + nodes that are not expressions. + Thu Jun 25 15:08:16 1998 Mark Mitchell <mark@markmitchell.com> * invoke.texi (-fstrict-aliasing): Document. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 30499a1..7544f8b 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2836,10 +2836,20 @@ make_range (exp, pin_p, plow, phigh) while (1) { code = TREE_CODE (exp); - arg0 = TREE_OPERAND (exp, 0), arg1 = TREE_OPERAND (exp, 1); - if (TREE_CODE_CLASS (code) == '<' || TREE_CODE_CLASS (code) == '1' - || TREE_CODE_CLASS (code) == '2') - type = TREE_TYPE (arg0); + + if (IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (code))) + { + arg0 = TREE_OPERAND (exp, 0); + if (TREE_CODE_CLASS (code) == '<' + || TREE_CODE_CLASS (code) == '1' + || TREE_CODE_CLASS (code) == '2') + type = TREE_TYPE (arg0); + if (TREE_CODE_CLASS (code) == '2' + || TREE_CODE_CLASS (code) == '<' + || (TREE_CODE_CLASS (code) == 'e' + && tree_code_length[(int) code] > 1)) + arg1 = TREE_OPERAND (exp, 1); + } switch (code) { |